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Satyajit Ghosh


Last seen: Today Active since 2021

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Creating a transparent closed 3D surface plot from (x,y,z) scatter data points
I have a set of (x,y,z) data points (file attached). I can use scatter3 to plot 3d scatter plot. d1=load('Scatter_data_x_y_z.tx...

3 days ago | 1 answer | 0

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answer

Question


How do I cd inside a for loop to a bunch of folders containing a file with same name?
I have some data in a directory saved in various folders with name 1_1_1, 1_1_2, .... etc. All files in those folder have same n...

28 days ago | 1 answer | 0

1

answer

Question


Problem based framework for my optimization problem is not working
At first, I was performing an optimization with respect to all elements of 'A' matrix using below command. [Aopt,fopt]=fminunc(...

3 months ago | 0 answers | 0

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answers

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How do we allocate equidistant points on a sinusoidal curve?
The analytic equation is given below. y=-25*sin((2*pi/50)*x); Graph of above equation is given below. What I exactly want i...

3 months ago | 2 answers | 0

2

answers

Question


How do I use multi-parameters in my optimization problem for fminunc?
So, right now, I am performing an optimization with respect to all elements of 'A' matrix using below command. [Aopt,fopt]=fmin...

3 months ago | 2 answers | 0

2

answers

Question


About B-Spline curve with high number of basis function
I am doing optimization with respect to control points of B-Spline representation of a ground truth curve. I know that for B-spl...

4 months ago | 0 answers | 0

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Question


How do I implement this for loop calculation in direct matrix or vector calculation?
I have a matrix A of order (n+1)*3. And I have to perform a calculation. for loop implementtaion of it is given below. R=...

4 months ago | 1 answer | 0

1

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Question


How do I replace elements of matrix which are greater than 9 with value 9 without using for loop?
I am working on an optimization problem. To make it run faster I need to do calculation inside defined function using matric...

4 months ago | 1 answer | 0

1

answer

Question


fminunc giving correct optimized values for anonymously defined function, BUT wrong value for .m function
I have a function at first defined anonymously inside the same script. After performing optimization through fminunc, it pro...

4 months ago | 1 answer | 0

1

answer

Question


fminunc crashes matlab if large number of input variables used
I am working on a problem where input varibales with respect to which objective function (nonlinear) needs to be optimized is el...

4 months ago | 1 answer | 0

1

answer